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What's the difference between git clone --mirror and git clone --bare
... cloned repo has it all. It's also set up so that a remote update will re-fetch everything from the origin (overwriting the copied refs). The idea is really to mirror the repository, to have a total copy, so that you could for example host your central repo in multiple places, or back it up. Think o...
How to use OrderBy with findAll in Spring Data
...StudentEntity, Integer> {
public List<StudentEntity> findAllByOrderByIdAsc();
}
The code above should work. I'm using something similar:
public List<Pilot> findTop10ByOrderByLevelDesc();
It returns 10 rows with the highest level.
IMPORTANT:
Since I've been told that it's eas...
Is Java really slow?
...y optimized code written in a ahead-of-time compiled language (C, Fortran, etc.) can beat it; however, Java can be more than 10x as fast as PHP, Ruby, Python, etc. There are specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Ja...
How to copy files across computers using SSH and MAC OS X Terminal [closed]
...how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
...
How to use java.net.URLConnection to fire and handle HTTP requests?
...ie attributes which are irrelevant for the server side like expires, path, etc. Alternatively, you could also use cookie.substring(0, cookie.indexOf(';')) instead of split().
Streaming mode
The HttpURLConnection will by default buffer the entire request body before actually sending it, regardless o...
Difference Between Invoke and DynamicInvoke
...er! If you just know that it is Delegate, it has to resolve the parameters etc manually - this might involve unboxing, etc - a lot of reflection is going on. For example:
Delegate slowTwice = twice; // this is still the same delegate instance
object[] args = { i };
object result = slowTwice.Dynamic...
MongoDB with redis
...s associated operations (union, intersection, difference on multiple sets, etc ...). It is quite easy to implement a basic faceted search or tagging engine on top of this feature, which is an interesting addition to MongoDB more traditional indexing capabilities.
Redis supports efficient blocking po...
Most Pythonic way to provide global configuration variables in config.py? [closed]
...",
"tables": {
"users": "tb_users"
}
# etc
}
}
You'd access the values as follows:
config["mysql"]["tables"]["users"]
If you are willing to sacrifice the potential to compute expressions inside your config tree, you could use YAML and end up with a more...
WAMP/XAMPP is responding very slow over localhost
...Confirm the new registry value contains the required data.
Change your etc/hosts
If you use virtual hosts don't add each virtual host on a new line. Instead list them like the following.
127.0.0.1 site-a site-b site-c
I also added 127.0.0.1 127.0.0.1 since I heard this somehow im...
HTML Script tag: type or language (or omit both)?
...ocument. Depending on what DOCTYPE you use, the type value is required in order to validate the HTML document.
The language attribute lets the browser know what language you are using (Javascript vs. VBScript) but is not necessarily essential and, IIRC, has been deprecated.
...